Home / 328,082,803.30-491,462,856.15-204,882,969.70

Finding the Fourth Proportional to 328,082,803.30, 491,462,856.15 and 204,882,969.70

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Solution

The fourth proportional to 328,082,803.30, 491,462,856.15 and 204,882,969.70 is: 306,911,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,082,803.30 : 491,462,856.15 = 204,882,969.70 : x
  2. Step 2: Convert to fraction form
    328,082,803.30/491,462,856.15 = 204,882,969.70/x
  3. Step 3: Cross multiply
    328,082,803.30x = 491,462,856.15 × 204,882,969.70
  4. Step 4: Simplify right side
    328,082,803.30x = 100,692,369,465,255,904
  5. Step 5: Solve for x
    x = 100,692,369,465,255,904/328,082,803.30
  6. Step 6: Final answer
    x = 306,911,451.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.